Definition of waterline in English:


Syllabification: wa·ter·line
Pronunciation: /ˈwôtərˌlīn, ˈwä-


  • 1The level normally reached by the water on the side of a ship.
    More example sentences
    • Yet they have the explosive ability to sink or badly damage even large vessels by blowing open their hull below the waterline.
    • Several models present divergent solutions to the same problem, for example the repair of hulls below the waterline.
    • It's that green stuff that marks the waterline of your boat.
  • 1.1The level reached by the sea or a river visible as a line on a rock face, beach, or riverbank.
    More example sentences
    • After checking another cage Greg pointed with his paddle to a dry waterline eight feet up one of the stumps.
    • We start in the library, the waterline there only a couple of feet high in a city where some houses were up their eaves in water.
    • The river, still carrying debris from recent rains, has dropped eight feet; I can see the old waterline on the trees.
  • 1.2Any of a set of structural lines of a ship, parallel with the surface of the water, representing the contour of the hull at various heights above the keel and drawn on shipbuilding plans.
  • 2A vertical watermark made in laid paper.

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Pronunciation: mɪˈlɔːd
used to address an English nobleman